MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c5243fb93c8228c700ac8c3260ce478c30eb62f5c3737217952d49e866c1f4f. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AveMariaRAT


Vendor detections: 7


Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash: 4c5243fb93c8228c700ac8c3260ce478c30eb62f5c3737217952d49e866c1f4f
SHA3-384 hash: cc0b660da060ca3e363e9cc2255f0e27550de78139c4e9986ea67aa2ad111b471fcb3b0d870becfbdd53038ce4454f51
SHA1 hash: 15fa72fd49773d885071990393b312b859b22d63
MD5 hash: e1cee380b36dc3e922e204d14ed334d8
humanhash: georgia-sink-cold-tennessee
File name:4c5243fb93c8228c700ac8c3260ce478c30eb62f5c3737217952d49e866c1f4f
Download: download sample
Signature AveMariaRAT
File size:2'992'264 bytes
First seen:2020-11-10 11:38:59 UTC
Last seen:2024-07-24 14:02:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f4bc1db7fb9f072b157186a10179e (1'400 x AveMariaRAT, 37 x Riskware.Generic, 2 x njrat)
ssdeep 24576:rRZ7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eH/:rRZ7A3mw4gxeOw46fUbNecCCFbNecW
Threatray 3'524 similar samples on MalwareBazaar
TLSH 23D5BFE37D3F504FE6327871FA8FA23981D0AA1DD9006A5B3B77990E4297144A186F4F
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
58
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Forced system process termination
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Creating a file in the mass storage device
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Command shell drops VBS files
Contains functionality to hide user accounts
Contains functionality to inject code into remote processes
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Sample is not signed and drops a device driver
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: System File Execution Location Anomaly
Spreads via windows shares (copies files to share folders)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 313450 Sample: 0lDg1MiZHy Startdate: 10/11/2020 Architecture: WINDOWS Score: 100 132 Antivirus detection for dropped file 2->132 134 Antivirus / Scanner detection for submitted sample 2->134 136 Yara detected AveMaria stealer 2->136 138 5 other signatures 2->138 13 0lDg1MiZHy.exe 2->13         started        16 wscript.exe 1 2->16         started        18 wscript.exe 2->18         started        20 7 other processes 2->20 process3 dnsIp4 184 Detected unpacking (changes PE section rights) 13->184 186 Detected unpacking (overwrites its own PE header) 13->186 188 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->188 192 3 other signatures 13->192 23 0lDg1MiZHy.exe 1 51 13->23         started        26 cmd.exe 2 13->26         started        28 0lDg1MiZHy.exe 16->28         started        30 StikyNot.exe 18->30         started        110 127.0.0.1 unknown unknown 20->110 190 Changes security center settings (notifications, updates, antivirus, firewall) 20->190 signatures5 process6 signatures7 146 Spreads via windows shares (copies files to share folders) 23->146 148 Writes to foreign memory regions 23->148 150 Allocates memory in foreign processes 23->150 152 Sample is not signed and drops a device driver 23->152 32 0lDg1MiZHy.exe 1 3 23->32         started        36 diskperf.exe 5 23->36         started        154 Command shell drops VBS files 26->154 156 Drops VBS files to the startup folder 26->156 38 conhost.exe 26->38         started        158 Tries to detect sandboxes / dynamic malware analysis system (file name check) 28->158 160 Injects a PE file into a foreign processes 28->160 40 0lDg1MiZHy.exe 46 28->40         started        42 cmd.exe 1 28->42         started        162 Sample uses process hollowing technique 30->162 44 cmd.exe 30->44         started        process8 file9 90 C:\Windows\System\explorer.exe, PE32 32->90 dropped 126 Installs a global keyboard hook 32->126 46 explorer.exe 32->46         started        92 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 36->92 dropped 94 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 36->94 dropped 96 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 36->96 dropped 98 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 36->98 dropped 49 StikyNot.exe 36->49         started        128 Spreads via windows shares (copies files to share folders) 40->128 130 Injects a PE file into a foreign processes 40->130 51 0lDg1MiZHy.exe 40->51         started        53 diskperf.exe 40->53         started        55 conhost.exe 42->55         started        signatures10 process11 signatures12 194 Antivirus detection for dropped file 46->194 196 Detected unpacking (changes PE section rights) 46->196 198 Detected unpacking (overwrites its own PE header) 46->198 210 3 other signatures 46->210 57 explorer.exe 47 46->57         started        61 cmd.exe 46->61         started        200 Detected unpacking (creates a PE file in dynamic memory) 49->200 202 Machine Learning detection for dropped file 49->202 204 Tries to detect sandboxes / dynamic malware analysis system (file name check) 49->204 63 StikyNot.exe 25 49->63         started        65 cmd.exe 1 49->65         started        206 Drops executables to the windows directory (C:\Windows) and starts them 51->206 208 Installs a global keyboard hook 51->208 67 explorer.exe 51->67         started        process13 file14 106 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 57->106 dropped 108 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 57->108 dropped 170 Injects code into the Windows Explorer (explorer.exe) 57->170 172 Spreads via windows shares (copies files to share folders) 57->172 174 Writes to foreign memory regions 57->174 176 Allocates memory in foreign processes 57->176 69 explorer.exe 57->69         started        74 diskperf.exe 57->74         started        76 conhost.exe 65->76         started        178 Tries to detect sandboxes / dynamic malware analysis system (file name check) 67->178 180 Sample uses process hollowing technique 67->180 182 Injects a PE file into a foreign processes 67->182 78 cmd.exe 67->78         started        signatures15 process16 dnsIp17 112 vccmd03.googlecode.com 69->112 114 vccmd02.googlecode.com 69->114 116 5 other IPs or domains 69->116 100 C:\Windows\System\spoolsv.exe, PE32 69->100 dropped 102 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 69->102 dropped 164 System process connects to network (likely due to code injection or exploit) 69->164 166 Creates an undocumented autostart registry key 69->166 168 Installs a global keyboard hook 69->168 80 spoolsv.exe 69->80         started        104 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 78->104 dropped file18 signatures19 process20 signatures21 118 Antivirus detection for dropped file 80->118 120 Detected unpacking (changes PE section rights) 80->120 122 Machine Learning detection for dropped file 80->122 124 3 other signatures 80->124 83 spoolsv.exe 80->83         started        86 cmd.exe 80->86         started        process22 signatures23 140 Spreads via windows shares (copies files to share folders) 83->140 142 Sample uses process hollowing technique 83->142 144 Injects a PE file into a foreign processes 83->144 88 conhost.exe 86->88         started        process24
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-11 00:08:44 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Installed Components in the registry
Warzone RAT Payload
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
WarzoneRat, AveMaria
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ave_maria_warzone_rat
Author:jeFF0Falltrades
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Codoso_Gh0st_1
Author:Florian Roth
Description:Detects Codoso APT Gh0st Malware
Reference:https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks
Rule name:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments